X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fide%2Fmips%2Fau1xxx-ide.c;h=9b628248f2f4a8c174c32b027671a21303317c21;hb=9a64388d83f6ef08dfff405a9d122e3dbcb6bf38;hp=7ec96a030041b61c842f578ee1658c0516775392;hpb=5df37c34a3acf29d1eb6fc675d078654da0ab395;p=linux-2.6-omap-h63xx.git diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c index 7ec96a03004..9b628248f2f 100644 --- a/drivers/ide/mips/au1xxx-ide.c +++ b/drivers/ide/mips/au1xxx-ide.c @@ -1,6 +1,4 @@ /* - * linux/drivers/ide/mips/au1xxx-ide.c version 01.30.00 Aug. 02 2005 - * * BRIEF MODULE DESCRIPTION * AMD Alchemy Au1xxx IDE interface routines over the Static Bus * @@ -34,23 +32,15 @@ #include #include #include - #include #include -#include - -#include - -#include "ide-timing.h" +#include -#include #include #include - #include #define DRV_NAME "au1200-ide" -#define DRV_VERSION "1.0" #define DRV_AUTHOR "Enrico Walther / Pete Popov " /* enable the burstmode in the dbdma */ @@ -59,6 +49,8 @@ static _auide_hwif auide_hwif; static int dbdma_init_done; +static int auide_ddma_init(_auide_hwif *auide); + #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA) void auide_insw(unsigned long port, void *addr, u32 count) @@ -209,23 +201,6 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed) */ #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - -static int auide_build_sglist(ide_drive_t *drive, struct request *rq) -{ - ide_hwif_t *hwif = drive->hwif; - struct scatterlist *sg = hwif->sg_table; - - ide_map_sg(drive, rq); - - if (rq_data_dir(rq) == READ) - hwif->sg_dma_direction = DMA_FROM_DEVICE; - else - hwif->sg_dma_direction = DMA_TO_DEVICE; - - return dma_map_sg(hwif->dev, sg, hwif->sg_nents, - hwif->sg_dma_direction); -} - static int auide_build_dmatable(ide_drive_t *drive) { int i, iswrite, count = 0; @@ -240,8 +215,7 @@ static int auide_build_dmatable(ide_drive_t *drive) /* Save for interrupt context */ ahwif->drive = drive; - /* Build sglist */ - hwif->sg_nents = i = auide_build_sglist(drive, rq); + hwif->sg_nents = i = ide_build_sglist(drive, rq); if (!i) return 0; @@ -299,10 +273,7 @@ static int auide_build_dmatable(ide_drive_t *drive) return 1; use_pio_instead: - dma_unmap_sg(hwif->dev, - hwif->sg_table, - hwif->sg_nents, - hwif->sg_dma_direction); + ide_destroy_dmatable(drive); return 0; /* revert to PIO for this request */ } @@ -312,8 +283,7 @@ static int auide_dma_end(ide_drive_t *drive) ide_hwif_t *hwif = HWIF(drive); if (hwif->sg_nents) { - dma_unmap_sg(hwif->dev, hwif->sg_table, hwif->sg_nents, - hwif->sg_dma_direction); + ide_destroy_dmatable(drive); hwif->sg_nents = 0; } @@ -573,6 +543,17 @@ static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) *ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET); } +static const struct ide_port_info au1xxx_port_info = { + .host_flags = IDE_HFLAG_POST_SET_MODE | + IDE_HFLAG_NO_DMA | /* no SFF-style DMA */ + IDE_HFLAG_NO_IO_32BIT | + IDE_HFLAG_UNMASK_IRQS, + .pio_mask = ATA_PIO4, +#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA + .mwdma_mask = ATA_MWDMA2, +#endif +}; + static int au_ide_probe(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); @@ -605,13 +586,14 @@ static int au_ide_probe(struct device *dev) goto out; } - if (!request_mem_region (res->start, res->end-res->start, pdev->name)) { + if (!request_mem_region(res->start, res->end - res->start + 1, + pdev->name)) { pr_debug("%s: request_mem_region failed\n", DRV_NAME); ret = -EBUSY; goto out; } - ahwif->regbase = (u32)ioremap(res->start, res->end-res->start); + ahwif->regbase = (u32)ioremap(res->start, res->end - res->start + 1); if (ahwif->regbase == 0) { ret = -ENOMEM; goto out; @@ -624,30 +606,13 @@ static int au_ide_probe(struct device *dev) memset(&hw, 0, sizeof(hw)); auide_setup_ports(&hw, ahwif); hw.irq = ahwif->irq; + hw.dev = dev; hw.chipset = ide_au1xxx; ide_init_port_hw(hwif, &hw); hwif->dev = dev; - hwif->ultra_mask = 0x0; /* Disable Ultra DMA */ -#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA - hwif->mwdma_mask = 0x07; /* Multimode-2 DMA */ - hwif->swdma_mask = 0x00; -#else - hwif->mwdma_mask = 0x0; - hwif->swdma_mask = 0x0; -#endif - - hwif->pio_mask = ATA_PIO4; - hwif->host_flags = IDE_HFLAG_POST_SET_MODE; - - hwif->drives[0].unmask = 1; - hwif->drives[1].unmask = 1; - - /* hold should be on in all cases */ - hwif->hold = 1; - hwif->mmio = 1; /* If the user has selected DDMA assisted copies, @@ -675,16 +640,9 @@ static int au_ide_probe(struct device *dev) hwif->ide_dma_test_irq = &auide_dma_test_irq; hwif->dma_lost_irq = &auide_dma_lost_irq; #endif - hwif->channel = 0; hwif->select_data = 0; /* no chipset-specific code */ hwif->config_data = 0; /* no chipset-specific code */ - hwif->drives[0].autotune = 1; /* 1=autotune, 2=noautotune, 0=default */ - hwif->drives[1].autotune = 1; - - hwif->drives[0].no_io_32bit = 1; - hwif->drives[1].no_io_32bit = 1; - auide_hwif.hwif = hwif; hwif->hwif_data = &auide_hwif; @@ -695,7 +653,7 @@ static int au_ide_probe(struct device *dev) idx[0] = hwif->index; - ide_device_add(idx); + ide_device_add(idx, &au1xxx_port_info); dev_set_drvdata(dev, hwif); @@ -712,12 +670,12 @@ static int au_ide_remove(struct device *dev) ide_hwif_t *hwif = dev_get_drvdata(dev); _auide_hwif *ahwif = &auide_hwif; - ide_unregister(hwif - ide_hwifs); + ide_unregister(hwif->index); iounmap((void *)ahwif->regbase); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, res->end - res->start); + release_mem_region(res->start, res->end - res->start + 1); return 0; }